Question: An engine manufacturer uses a forging process to make piston rings. The quality engineers want to assess the process capability. They collect 25 subgroups of
An engine manufacturer uses a forging process to make piston rings. The quality
engineers want to assess the process capability. They collect 25 subgroups of five piston rings and measure the diameters. The specification limits for piston ring diameter are 74.0 mm 0.05 mm. Use the Six-Pack output below.
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